The measured power consumption of Nokia Siemens Networks’ Flexi EDGE Base Station 
in a typical configuration, with three sectors and four carriers per sector, averages 978 watts in a basic mode of operation. With software energy saving features, high performance can be maintained but power consumption can be reduced to 833 watts. In some instances this can be further reduced to 562 watts with a reduced configuration of two, instead of four, carriers per sector. Energy efficiency is critical as around 90 percent of the energy consumption of a cellular network comes from base stations.
These ratings conform to new technical specifications published by the European Telecommunications Standards Institute (ETSI). A key aim of this technical specification was to define reference base station configurations and load levels so that everyone in the industry can measure base station power consumption in a similar way. The specification takes into account different measurement conditions such as temperature, pressure and humidity.
Nokia Siemens Network said it is the first vendor to report wireless access network energy efficiency according to the ETSI specificationhttp://www.nsn.com
